CN1301828C - Hand machine tool - Google Patents
Hand machine tool Download PDFInfo
- Publication number
- CN1301828C CN1301828C CNB018038190A CN01803819A CN1301828C CN 1301828 C CN1301828 C CN 1301828C CN B018038190 A CNB018038190 A CN B018038190A CN 01803819 A CN01803819 A CN 01803819A CN 1301828 C CN1301828 C CN 1301828C
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sealing
- hand held
- power machine
- held power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 239000011159 matrix material Substances 0.000 claims description 36
- 239000000314 lubricant Substances 0.000 claims description 14
- 238000009527 percussion Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 9
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
- B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/003—Details relating to chucks with radially movable locking elements
- B25D2217/0038—Locking members of special shape
- B25D2217/0042—Ball-shaped locking members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
- B25D2217/0065—Use of dust covers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a hand-operated machine tool that especially has rotationally drills or percussively chips or both of an embodiment. The embodiment of the hand-operated machine tool includes a toolholder that is used to hold tools having a grooved shank. a hand machine tool for receiving tools with a grooving shank. Said tool holder comprises a base body (12) with at least one radially displaceable locking body (14) which can be introduced into a groove in the tool that is closed at the shank end and which is then held in its locking position by a blocking element (16). Said blocking element can be guided into a position in which the locking body (14) is radially released by means of an actuating element (18). At least one sealing device (20, 22, 24, 26, 28) is also provided, said sealing device outwardly sealing at least one chamber (30, 32) surrounding a locking body (14). The present invention declaims that: the sealing device (20, 22, 24, 26, 28) has at least a sleeve shape parts (34, 36, 38, 40, 42, 44) which at least compose the bordline of room (30, 32) in the radial direction.
Description
Technical field
The present invention relates to a kind of hand held power machine, especially percussion drill and/or jump bit.
Background technology
By DE 197 24 532.3 known a kind ofly have rotatable and impact the percussive drill of the cutter holding device that ground drives.This cutter holding device has one and makes whole matrix with main shaft sleeve.Matrix has a receiver hole, can insert therein a cutter handle and can be locked by a locking system.This locking system has a locking ball, and this locking ball is set in the groove of matrix and can imports in the closed slots of a cutter pommel.
The locking ball is being pressed by an interstage sleeve retaining at radially outer when the lock position.This interstage sleeve can be bearing on the matrix with moving axially.Interstage sleeve can move on the unlocked position in the power of inserting a preload screw spring of opposing on the direction of cutter vertically by operating sleeve, and the free space on this position in the interstage sleeve allows the locking ball radially to shift out from the groove of the shank of tool, to discharge cutter.
Main shaft sleeve is supported in the toolroom machine housing.Operating sleeve is engaged in the cutter side end of toolroom machine housing with centering on the convex shoulder of a cover tubular.In order to guarantee the mobility of the relative toolroom machine housing of operating sleeve, between convex shoulder and toolroom machine housing, has an annular gap.Operating sleeve has limited round the space of locking ball at radially outer, and this space is limited by matrix in inner radial.This space is dustproof by a dust cover at the instrument pusher side, and this dust cover is inserted on the matrix and radially inwardly relative matrix and operating sleeve sealing relatively radially outward.Preventing to bore dirt in this space of instrument pusher side by a sealing device invades.
Sealing device has a baffle ring, and it is used at toolroom machine side bearing helical spring and has one for this reason being used for helical spring cylindrical guide bulge.This baffle ring is axially remained on the pillow block of main shaft sleeve at the instrument pusher side.In baffle ring, respectively be provided with a circumferential groove of placing sealing ring on its inner periphery and the excircle.Be located at exterior seal ring in the circumferential groove radially and sealing space between operating sleeve and the baffle ring, and be located at inner seal ring in the Internal locking groove radially and sealing space between baffle ring and the matrix.
Document DE 198 05 187 A disclose a kind of hand held power machine, it has can impact and/or that drive, that be used to receive the cutter with trough of belt handle rotationally cutter holding device, this toolroom machine has a matrix that has at least one lock piece that can move radially, this lock piece can be imported in the closed slots of cutter pommel and can be remained on its lock position by latching member, and this latching member can be directed to the footpath by operating parts and upwards discharge on the position of lock piece.
This hand held power machine has a lubricant reservoir in addition, and it is made of a sleeve-like part and is surrounding matrix on the operative orientation of lock piece.This lubricant reservoir is connected with the receiving area of matrix by connecting duct.Be provided with the valve body that is made of ball in connecting duct, this valve body is covered by a ring spring and is radially inwardly pushing valve seat towards the receiving area on the direction of closing position.Valve body and valve seat constitute the choke valve of lubricant.Partly stretch into the receiving area at the lock position upper valve body.Valve body radially outward moves when inserting cutter, and connecting duct is opened, and lubricant enters the receiving area.If cutter is pushed into, valve body is positioned at the lock groove footpath upward, so that valve body is pressed on its valve seat and the sealed-in lubricant memory by ring spring again.
Summary of the invention
The objective of the invention is, propose a kind of hand held power machine, it can particularly advantageously realize sealing function, reduces to wear and tear and reach long service life.
The present invention proposes a kind of hand held power machine, especially the percussion drill and/or the jump bit that have the cutter holding device that can impact and/or drive rotationally, this cutter holding device is used to receive the cutter with trough of belt handle, and has a matrix that has at least one lock piece that can move radially, this lock piece can be imported in the closed slots of cutter pommel and can be remained on its lock position by a latching member, this latching member can affact the footpath by operating parts and upwards discharge on the position of lock piece, and has a sealing device, the sealing device a space round at least one lock piece to external seal, wherein, the sealing device has at least one to be separated with operating parts, sleeve-like part, this sleeve-like part are radially limiting described space at least in part.
This space can advantageously irrespectively constitute with operating parts, and sealing device can by at least when work always static each other sealing surface to sealing, in the time of exactly can work as the static and matrix rotation of operating parts, also be like this when for example operating parts touches wall when work.It can particularly advantageously realize sealing function, can avoid the intrusion of dust at least to a great extent, and makes wearing and tearing on the matrix of instrument, especially cutter holding device little and reach long service life thus.Can realize the wearing and tearing that sealing device is very little in addition.
In order to avoid the friction between operating parts and the sleeve-like part at least to a great extent when operating parts is static, operating parts can advantageously have the radial distance of a relative sleeve-like part at least.
In another configuration of the present invention, sealing device has the parts of a cover tubular, elastically deformable at least.Although the adjustment movement of latching member still can reach sealing surface to keeping static each other.Sealing surface keeps cooperating to available big contact pressure each other, and can overslaugh campaign or cause big coefficient of friction, reaches and generally can realize particularly advantageous sealing function.
If at least one sealing surface keeps cooperating to by one latching member being remained on stage clip on its holding position each other, then can be advantageously between each sealing surface, reach the contact pressure of big support sealing function without optional feature.In addition, the cover tubular, especially the parts of elastically deformable surround stage clip and it to forming sealing on its adjacent component distolateral, stage clip and sleeve-like part are embodied as can preassembled assembly.In addition, stage clip can by the cover tubular, especially the elastically deformable parts are sealed die casting.Can realize simply preventing dust by a stage clip that is surrounded by sleeve-like part, it can use in multiple enforcement flexible program simply.Sleeve-like part can be located at the outside of stage clip diametrically or be located at the inside of stage clip.
The present invention also proposes in addition, and to being located at the back of lock piece on axially, and two sealing surface centerings, a sealing surface constitutes by matrix or by parts that are fixed on the matrix to the front that is located at lock piece on axially and sealing surface for sealing surface.The sealing function of sealing device can improve and especially can constitute a space that surrounds lock piece, can inject lubricant and also can be used for lasting forced feed lubrication in this space except that first lubricating.This can advantageously use the existing groove that is used for lock piece, and lubricant is added in this space and can be discharged to the housing region of cutter holding device from this space, to lubricate this housing region and the shank of tool and to reduce wearing and tearing.Can save the additional groove and the parts that are used for forced feed lubrication thus.
Also can realize good sealing, its mode is that sleeve-like part acts at least one groove of matrix simple in structurely.Labyrinth sealing between available action part and the one adjacent parts realizes the rational additional seal of cost in addition, and this adjacent component for example is a dust cover that is fixed on the matrix.Can prevent dust and dirt intrusion sleeve-like part and prevent that lubricant is discharged to the outside by this labyrinth sealing.
Description of drawings
From describing, following accompanying drawing can obtain other advantage.Express embodiments of the invention in the accompanying drawings.Drawing and description comprise a plurality of features in combination.The technical staff can conform with the destination and investigate each single feature and have a mind to the free burial ground for the destitute and be combined into other combination.Accompanying drawing is:
Fig. 1: the longitudinal section of the cutter holding device of a percussive drill,
Fig. 2: have the modification of installing among the right Fig. 1 of two spring-loaded sealing surfaces,
Fig. 3: but the modification of installing among Fig. 2 of pre-assembled component had, and this assembly is made up of sealing shroud and a stage clip of an elastically deformable,
Fig. 4: have the modification that lock piece in the axial direction before and after installs among the Fig. 1 to cutter holding device matrix sealed space,
Fig. 5: have the modification of installing among Fig. 4 of a thin plate sleeve,
Fig. 6: the seal sleeve of cutter holding device elastically deformable on the lock position in confined state among Fig. 5, and
Fig. 7: cutter holding device seal sleeve on the unlocked position in confined state among Fig. 6.
The specific embodiment
Fig. 1 represents the part of a percussion drill, and it has a cutter holding device 10 rotatable and that drive that is placed in the lower house shell 84 with impacting, is used to receive the cutter with trough of belt handle.This cutter holding device 10 has a matrix 12 that has the locking ball 14 that can move radially, this locking ball can be imported in the closed slots of cutter pommel and by can axially movable interstage sleeve 16 on the border and a maintainance set 56 remain on its lock position.
When pushing cutter, locking ball 14 is moving in a groove 74 on the cutter direction of insertion by the cutter pommel.Maintainance set 56 moves by locking ball 14 opposing stage clips 46, forms a cavity thus between interstage sleeve 16 and maintainance set 56, and locking ball 14 can radially outwards move in this cavity, and cutter can be fully inserted into.Then made maintainance set 56 move on its home position and locking ball 14 is pressed in the groove of cutter by the stage clip 46 of precompressed.In order to drive rotation, in the receiver hole 80 of matrix 12, be provided with and rotate drive rib 82, they are engaged in the open groove in shank of tool end.
In order to take off cutter, make interstage sleeve 16 reach the stage clip 46 that maintainance set 56 is loaded with an operating sleeve 18 and move, so that locking ball 14 radially outwards shifts out and desirable bottom tool in face of maintainance set 56.Then, stage clip is pressing maintainance set 56, interstage sleeve 16, locking ball 14 and operating sleeve 18 that they are got back on its home position.
If the locking between cutter and the cutter holding device 10 is unlocked, mode is by operating sleeve 18 interstage sleeve 16 to be moved against stage clip 46, if perhaps make shank of tool locking, rubber sleeve 34 is by strain, but in the case between baffle ring 54 and the rubber sleeve 34 and the sealing surface between rubber sleeve 34 and the interstage sleeve 16 can not lift mutually 92,94 yet and can not move mutually.Lift from baffle ring 54 or from interstage sleeve 16 in the axial direction for fear of rubber sleeve 34, this rubber sleeve compresses mutually with baffle ring 54 and interstage sleeve 16, i.e. force closure ground connects.
Lubricate for the first of receiver hole 80, inject lubricant unshowned a kind of viscosity, heat-resisting by 74 pairs of spaces of groove 30.If cutter is inserted into, locking ball 14 is radially outward moved, and the reduced and lubricant of the volume in space 30 will be pressed in the receiver hole 80 by space 30.
Fig. 2 represents to have the modification of embodiment among Fig. 1 of sealing device 22.Parts identical in fact in described embodiment are marked with identical label basically.Can describe with reference to the embodiment among the figure 1 for identical feature and function in addition.
Modification shown in Fig. 3 has a sealing device 24 that has the rubber sleeve 38 of elastically deformable, and this rubber sleeve and stage clip 46 constitute one can preassembled assembly.Rubber sleeve 38 surrounds stage clip 46 and baffle ring 54 and 56 pairs of external seals of maintainance set space 30 relatively on its end face.The sealing surface that reaches between baffle ring 54 and the rubber sleeve 38 between rubber sleeve 38 and the maintainance set 56 keeps by stage clip 46 mutually to 48,52.
Embodiment shown in Fig. 4 has a sealing device 26 that has the rubber sleeve 40 of elastically deformable.This rubber sleeve 40 surrounds baffle ring 54, stage clip 46, and maintainance set 56, interstage sleeve 16, ring 76 and collar 78, and relatively baffle ring 54 and matrix 12 are sealing space 32.Rubber sleeve 40 the instrument pusher side radially on and surrounding baffle ring 54 on two axial side and be stuck in the groove 68 of matrix 12 in the cutter side.Sealing surface is located at the front of locking ball 14 and sealing surface on axially to 62 back that are located at locking ball 14 on axially to 58.In order to keep rubber sleeve well and to reach high wear resistance, available fabric strengthens in each zone of rubber sleeve, for example in the zone of baffle ring 54, stage clip 46, maintainance set 56 and/or interstage sleeve 16.
Can and interstage sleeve 16 be moved in face of stage clip 46 by rubber sleeve 40 by operating sleeve 18 by ring 76.In the case, rubber sleeve 40 is by strain, and wherein sealing surface is pressured still each other all the time to 58,62 sealing surface.
In space 32, can inject a kind of viscous and heat-resisting lubricant by groove 74 for the forced feed lubrication that continues.Locking ball 14 moves radially when cutter being inserted in the cutter holding device 10.The volume in space 32 will dwindle and lubricant will be pressed onto in the receiver hole 80 by groove 74.In addition, near the zone the rubber sleeve 40 reaches by the 72 formation sealings of the labyrinth sealing between the dust cover 70 of operating sleeve 18 and vicinity by the O RunddichtringO 96 that is located between operating sleeve 18 and the housing shell 84.
Fig. 5 represents to have the modification of embodiment among Fig. 4 of sealing device 28, but it also has a thin plate cover 44 at the instrument pusher side except being located at the rubber sleeve 42 cutter side, that elastically deformable and multilayer are pleated.This thin plate cover 44 is sealing space 32 at the instrument pusher side on an O RunddichtringO 66, the sealing circle is fixed in the peripheral groove 100 of baffle ring 98 of stage clip 46.By 102 sealings of an O RunddichtringO, at the instrument pusher side, this baffle ring 98 is bearing on the shaft shoulder 104 of matrix 12 by sealing circle 102 between baffle ring 98 and matrix 12 in this space 32.In the cutter side, baffle ring 98 is bearing on the matrix 12 by a clamping ring 106.
First end of rubber sleeve 42 between cutter side thin plate cover 44 and interstage sleeve 16 reaches at second end facing to matrix 12 and sealing space 32.Rubber sleeve 42 is engaged in the groove 68 of matrix 12 at its second end place.Thin plate cover 44 and O RunddichtringO 66 constitute in the front of locking ball 14 in the axial direction a sealing surface to 60 and rubber sleeve 42 constitute a sealing surface to 64 in the back of locking ball 14 in the axial direction with matrix 12.
By operating sleeve 18 can by thin plate overlap 44 and rubber sleeve 42 interstage sleeve 16 is moved in face of stage clip 46.Operating sleeve 18 acts on pleated regional 108 the outside of multilayer of rubber sleeve 42 diametrically, and this multilayer pleated regional 108 can advantageously be launched pleated during releasing process thus.
Fig. 6 shows rubber sleeve 42 on cutter holding device 10 lock positions and Fig. 7 and represents rubber sleeve 42 on cutter holding device 10 unlocked positions.In the case, thin plate cover 44 slides on O RunddichtringO 66.In space 32, as the situation of embodiment among Fig. 4, will inject a kind of viscous and heat-resisting lubricant by groove 74 for lasting forced feed lubrication.
Claims (10)
1. hand held power machine, it has the cutter holding device (10) that can impact and/or drive rotationally, this cutter holding device is used to receive the cutter with trough of belt handle and has a matrix (12) that has at least one lock piece that can move radially (14), this lock piece can be imported in the closed slots of cutter pommel and can be remained on its lock position by a latching member (16), this latching member can be directed to the footpath by an operating parts (18) and upwards discharge on the position of lock piece (14), and has at least one sealing device (20,22,24,26,28), the sealing device to space of major general (30,32) round lock piece (14) to external seal, it is characterized in that: sealing device (20,22,24,26,28) having at least one separates with operating parts (18), sleeve-like part (34,36,38,40,42,44), this sleeve-like part is at least in part on the border that radially constitutes described space (30,32).
2. according to the hand held power machine of claim 1, it is characterized in that: operating parts (18) sleeve-like part (34,36,38,40,42,44) relatively has a radial distance (110) at least.
3. according to the hand held power machine of claim 1 or 2, it is characterized in that: sealing device (20,22,24,26,28) has the parts (34,36,38,40,42) of a cover tubular, elastically deformable at least.
4. according to the hand held power machine of claim 1 or 2, it is characterized in that: make a sealing surface that (48,50,52) are kept cooperating each other at least by a stage clip (46) that latching member (16) is remained in its locked position of coupler.
5. according to the hand held power machine of claim 4, it is characterized in that: sleeve-like part (38) surrounds stage clip (46) and forms sealing at it on to the end face of its adjacent component (54,56).
6. according to the hand held power machine of claim 1 or 2, it is characterized in that: a sealing surface is to (58,60) be located at the front of lock piece (14) and a sealing surface on axially to (62,64) be located at the back of lock piece (14) on axially, and at two sealing surfaces to (58,60,62,64) in, a sealing surface constitutes by matrix (12) or by parts (54,66) that are fixed on the matrix (12).
7. according to the hand held power machine of claim 1 or 2, it is characterized in that: add a kind of lubricant in (30,32) in the space.
8. according to the hand held power machine of claim 1 or 2, it is characterized in that: at least one sleeve-like part (40,42) is engaged at least one groove (68) of matrix (12).
9. according to the hand held power machine of claim 1 or 2, it is characterized in that: between operating parts (18) and adjacent parts (70), be provided with a labyrinth sealing (72).
10. hand held power machine according to claim 1 and 2 is characterized in that: this hand held power machine is percussion drill and/or jump bit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10002749.0 | 2000-01-22 | ||
| DE10002749A DE10002749A1 (en) | 2000-01-22 | 2000-01-22 | Hand tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1395520A CN1395520A (en) | 2003-02-05 |
| CN1301828C true CN1301828C (en) | 2007-02-28 |
Family
ID=7628438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018038190A Expired - Fee Related CN1301828C (en) | 2000-01-22 | 2001-01-09 | Hand machine tool |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1252000B1 (en) |
| JP (1) | JP2003522034A (en) |
| CN (1) | CN1301828C (en) |
| DE (2) | DE10002749A1 (en) |
| WO (1) | WO2001053045A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10243288B4 (en) * | 2002-09-18 | 2013-02-21 | Robert Bosch Gmbh | tool holder |
| DE102007056531A1 (en) * | 2007-11-23 | 2009-05-28 | Hilti Aktiengesellschaft | Hand tool machine with impact tool holder and associated tool |
| DE102011077244A1 (en) | 2011-06-09 | 2012-12-13 | Hilti Aktiengesellschaft | tool holder |
| EP2894009A1 (en) * | 2014-01-09 | 2015-07-15 | HILTI Aktiengesellschaft | Manual machine tool |
| CN109954908A (en) * | 2017-12-22 | 2019-07-02 | 西安增材制造国家研究院有限公司 | Portable punching device and its application method |
| DE102020213165A1 (en) * | 2020-10-19 | 2022-04-21 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool machine with a locking device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19724532A1 (en) * | 1997-06-11 | 1998-12-17 | Bosch Gmbh Robert | Hand-held drilling or impact machine |
| DE19805187A1 (en) * | 1998-02-10 | 1999-08-12 | Bosch Gmbh Robert | Hand machine tool, in particular hammer drill or hammer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4100186A1 (en) * | 1991-01-05 | 1992-07-09 | Bosch Gmbh Robert | HAND MACHINE TOOL WITH REMOVABLE TOOL HOLDER |
-
2000
- 2000-01-22 DE DE10002749A patent/DE10002749A1/en not_active Ceased
-
2001
- 2001-01-09 DE DE50101843T patent/DE50101843D1/en not_active Expired - Fee Related
- 2001-01-09 WO PCT/DE2001/000045 patent/WO2001053045A1/en active IP Right Grant
- 2001-01-09 EP EP01905617A patent/EP1252000B1/en not_active Expired - Lifetime
- 2001-01-09 CN CNB018038190A patent/CN1301828C/en not_active Expired - Fee Related
- 2001-01-09 JP JP2001553078A patent/JP2003522034A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19724532A1 (en) * | 1997-06-11 | 1998-12-17 | Bosch Gmbh Robert | Hand-held drilling or impact machine |
| DE19805187A1 (en) * | 1998-02-10 | 1999-08-12 | Bosch Gmbh Robert | Hand machine tool, in particular hammer drill or hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001053045A1 (en) | 2001-07-26 |
| JP2003522034A (en) | 2003-07-22 |
| DE50101843D1 (en) | 2004-05-06 |
| CN1395520A (en) | 2003-02-05 |
| DE10002749A1 (en) | 2001-08-02 |
| EP1252000A1 (en) | 2002-10-30 |
| EP1252000B1 (en) | 2004-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2532656C2 (en) | Impact tool | |
| US20120063856A1 (en) | Dust collecting device | |
| RU2577639C2 (en) | Drive tool | |
| US9272408B2 (en) | Hand-held machine tool | |
| US5954140A (en) | Rotary hammer with improved pneumatic drive system | |
| EP2103389B1 (en) | Impact tool | |
| US8459658B2 (en) | Hand-held power tool with a chuck and an associated working tool | |
| CN1298502C (en) | Tool mounting for hand machine tool | |
| CN1301828C (en) | Hand machine tool | |
| CN100586647C (en) | Portable tool machine comprising exchangeable tool holding fixture | |
| EP2732914A1 (en) | Dust collecting device and power tool having the same | |
| CN1260026C (en) | Tool holder | |
| EP1293302A3 (en) | A self lubricating, non-sealing piston ring for an internal combustion fastener driving tool | |
| CN1606487A (en) | Hammer | |
| CN1239830C (en) | Tape guiding mechanism | |
| GB2360240A (en) | Hand machine tool with tool release means | |
| US20030089509A1 (en) | Hand machine tool | |
| CN1798632A (en) | Hand-held machine tool | |
| CN100341675C (en) | Tool-clamp of impactor | |
| US5992541A (en) | Drilling and/or chiselling tool | |
| CN101228008A (en) | Percussion mechanism and at least percussively-operated hand machine tool with a percussion mechanism | |
| CN1665647A (en) | Tool holding fixture for a machine tool | |
| CN1830629A (en) | Tool bit holder and hand power tool | |
| CN100421879C (en) | Hand machine tool | |
| CN102161190A (en) | Hand-held tool machine device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070228 Termination date: 20100209 |